Best contractors in Bolton, Ontario

There are 17 home-service contractors in Bolton, Ontario in the MSARCH directory, with an average Google rating of 4.5★. That includes 14 HVAC contractors, 2 plumbers and 1 electricians.

The most-reviewed is Energy Saver Tech with 112 Google reviews, while Crome Mechanical holds one of the top ratings at 5.0★. Every listing below is ranked by Google rating weighted for review volume.

17Contractors
4.5★Avg rating
264Reviews

Updated July 2026 · Ranked by review-weighted Google rating

Best HVAC contractors in Bolton 14

HVAC & Heating

Crome Mechanical

Bolton, ON

★★★★★ 5.0 (14)

HVAC & Heating

JH Electrical Services

Bolton, ON

★★★★★ 5.0 (12)

HVAC & Heating

Falco Mechanical Ltd

Bolton, ON

★★★★★ 5.0 (9)

Plumbers

Ridgewood Mechanical Inc

Bolton, ON

★★★★★ 5.0 (4)

Electricians

Master In Electric

Bolton, ON

★★★★½ 4.9 (7)

HVAC & Heating

Tandem Air Specialists

Bolton, ON

★★★★★ 5.0 (2)

Plumbers

Cor Mechanical Systems

Bolton, ON

★★★★★ 5.0 (2)

HVAC & Heating

York Simcoe Refrigeration Ltd

Bolton, ON

★★★★★ 5.0 (1)

HVAC & Heating

Direct Air Systems

Bolton, ON

★★★★½ 4.7 (35)

HVAC & Heating

Local Mechanical Service

Bolton, ON

★★★★½ 4.7 (12)

HVAC & Heating

Thermal Techs heating and air conditioning

Bolton, ON

★★★★½ 4.7 (7)

HVAC & Heating

McDonald Mechanical

Bolton, ON

★★★★☆ 4.4 (7)

HVAC & Heating

Avenue Air Systems

Bolton, ON

★★★☆☆ 3.0 (2)

HVAC & Heating

United Rentals - Power & HVAC

Bolton, ON

★★★★☆ 4.2 (23)

HVAC & Heating

Energy Saver Tech

Bolton, ON

★★★★☆ 4.3 (112)

HVAC & Heating

Reliable Mechanical Services Inc.

Bolton, ON

★★★½☆ 3.8 (10)

HVAC & Heating

Thermal Air Systems Inc.

Bolton, ON

★★★☆☆ 3.4 (5)

Nearby cities

Woodbridge 6 Vaughan 14 Brampton 13 Concord 12 Richmond Hill 49 Aurora 5

Need a contractor in Bolton?

Get free quotes from top-rated Bolton HVAC, plumbing and electrical pros. Tell us what you need and we'll connect you with the right local contractor, at no cost.

Get a free quote

How many contractors are in Bolton?

MSARCH lists 17 HVAC, electrical and plumbing contractors in Bolton, Ontario, with an average Google rating of 4.5 out of 5.

What is the highest-rated contractor in Bolton?

Crome Mechanical is among the highest rated in Bolton, with 5.0★ from 14 Google reviews.

How are these contractors ranked?

MSARCH ranks Bolton contractors by their Google star rating, weighted by review count so a company with hundreds of reviews outranks one with only a few. All data is sourced from Google Maps.